Optimum Nutrition黄金标准100％乳清蛋白粉，双重巧克力，5磅

GOLD STANDARD 100% WHEY BLEND – 24g blended protein consisting of whey protein isolate, whey protein concentrate, and whey peptides to support lean muscle mass

GOLD STANDARD 100％乳清混合物 -  24g混合蛋白质，由乳清蛋白分离物，乳清蛋白浓缩物和乳清肽组成，有助增长瘦肌肉